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<head>
	<meta charset="UTF-8">
	<title>练习1</title>
	<style>
		.box{width: 604px;
			height: 604px;
			border:1px red solid; 
		}
		img{margin:50px; 
			width: 200px;
			height:200px; 
			border:1px solid skyblue;  
		 float:right; }
	</style>
</head>
<body>
	<div class="box">
		<img src="https://i03picsos.sogoucdn.com/4757bf11b945fe84" alt=""><img src="https://i03picsos.sogoucdn.com/4757bf11b945fe84" alt=""><img src="https://i03picsos.sogoucdn.com/4757bf11b945fe84" alt=""><img src="https://i03picsos.sogoucdn.com/4757bf11b945fe84" alt="">
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